My girlfriend's computer seems to be losing hard drive space by 100 megabytes at a time. I keep running scans, but it finds nothing. She is using something called Trend Micro. I've been using her computer for a year and a half and never had a problem with it. I went away for a week and then cameback and the only thing different was that she had installed a screensaver. I updated Quicktime and hit the update for WindowsUpdate for 10 "Important" updates. I erased some stuff like games, but the disc space is still bleeding away. I'll also get slow internet page access like it stalls a bit.